1//===-- RISCVTargetStreamer.h - RISC-V Target Streamer ---------*- C++ -*--===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H
10#define LLVM_LIB_TARGET_RISCV_MCTARGETDESC_RISCVTARGETSTREAMER_H
11
12#include "RISCV.h"
13#include "llvm/MC/MCStreamer.h"
14#include "llvm/MC/MCSubtargetInfo.h"
15
16namespace llvm {
17
18class formatted_raw_ostream;
19
20enum class RISCVOptionArchArgType {
21 Full,
22 Plus,
23 Minus,
24};
25
26struct RISCVOptionArchArg {
27 RISCVOptionArchArgType Type;
28 std::string Value;
29
30 RISCVOptionArchArg(RISCVOptionArchArgType Type, std::string Value)
31 : Type(Type), Value(Value) {}
32};
33
34class RISCVTargetStreamer : public MCTargetStreamer {
35 RISCVABI::ABI TargetABI = RISCVABI::ABI_Unknown;
36 bool HasRVC = false;
37 bool HasTSO = false;
38
39public:
40 RISCVTargetStreamer(MCStreamer &S);
41 void finish() override;
42 virtual void reset();
43
44 virtual void emitDirectiveOptionPush();
45 virtual void emitDirectiveOptionPop();
46 virtual void emitDirectiveOptionPIC();
47 virtual void emitDirectiveOptionNoPIC();
48 virtual void emitDirectiveOptionRVC();
49 virtual void emitDirectiveOptionNoRVC();
50 virtual void emitDirectiveOptionRelax();
51 virtual void emitDirectiveOptionNoRelax();
52 virtual void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args);
53 virtual void emitDirectiveVariantCC(MCSymbol &Symbol);
54 virtual void emitAttribute(unsigned Attribute, unsigned Value);
55 virtual void finishAttributeSection();
56 virtual void emitTextAttribute(unsigned Attribute, StringRef String);
57 virtual void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
58 StringRef StringValue);
59
60 void emitTargetAttributes(const MCSubtargetInfo &STI, bool EmitStackAlign);
61 void setTargetABI(RISCVABI::ABI ABI);
62 RISCVABI::ABI getTargetABI() const { return TargetABI; }
63 void setFlagsFromFeatures(const MCSubtargetInfo &STI);
64 bool hasRVC() const { return HasRVC; }
65 bool hasTSO() const { return HasTSO; }
66};
67
68// This part is for ascii assembly output
69class RISCVTargetAsmStreamer : public RISCVTargetStreamer {
70 formatted_raw_ostream &OS;
71
72 void finishAttributeSection() override;
73 void emitAttribute(unsigned Attribute, unsigned Value) override;
74 void emitTextAttribute(unsigned Attribute, StringRef String) override;
75 void emitIntTextAttribute(unsigned Attribute, unsigned IntValue,
76 StringRef StringValue) override;
77
78public:
79 RISCVTargetAsmStreamer(MCStreamer &S, formatted_raw_ostream &OS);
80
81 void emitDirectiveOptionPush() override;
82 void emitDirectiveOptionPop() override;
83 void emitDirectiveOptionPIC() override;
84 void emitDirectiveOptionNoPIC() override;
85 void emitDirectiveOptionRVC() override;
86 void emitDirectiveOptionNoRVC() override;
87 void emitDirectiveOptionRelax() override;
88 void emitDirectiveOptionNoRelax() override;
89 void emitDirectiveOptionArch(ArrayRef<RISCVOptionArchArg> Args) override;
90 void emitDirectiveVariantCC(MCSymbol &Symbol) override;
91};
92
93}
94#endif
95